Equity and Noncontrolling Interest (Tables)

6 Months Ended

Jun. 30, 2011

Equity and Noncontrolling Interest (Tables) [Abstract]

Equity and Noncontrolling Interests

	June 30, 2011									June 30, 2010
	Willis									Willis
	Group									Group
	Holdings			Noncontrolling			Total			Holdings			Noncontrolling			Total
	stockholders			interests			equity			stockholders			interests			equity
	(millions)
Balance at beginning of period	$	2,577		$	31		$	2,608		$	2,180		$	49		$	2,229
Comprehensive income:
Net income		119			12			131			293			9			302
Other comprehensive income (loss), net of tax		53			—			53			(16	)		—			(16	)
Comprehensive income		172			12			184			277			9			286
Dividends		(90	)		(12	)		(102	)		(89	)		(22	)		(111	)
Additional paid-in capital		48			—			48			33			—			33
Purchase of subsidiary shares from noncontrolling interests		—			—			—			—			(4	)		(4	)
Foreign currency translation		—			1			1			—			(4	)		(4	)
Balance at end of period	$	2,707		$	32		$	2,739		$	2,401		$	28		$	2,429

Effects of changes in ownership interest in subsidiaries

	June 30,		June 30,
	2011		2010
	(millions)
Net income attributable to Willis Group Holdings	$	119	$	293
Transfers from noncontrolling interest:
Decrease in Willis Group Holdings paid-in capital for purchase of noncontrolling interests		—		(14	)
Net transfers to noncontrolling interests		—		(14	)
Change from net income attributable to Willis Group Holdings and transfers from noncontrolling interests	$	119	$	279